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05-03-2006, 04:20 PM #1
- Join Date
- Jul 2005
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- commerce twp michigan
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- 65
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- 546
new headers & tune ? running rich at idle
I had kooks long tubes installed with off road y-pipe and a ls6 intake with dyno tune. At idle I can see some smoke coming out of the exhaust.
Not a lot and I do not see it driving. Do I have a rich idle tune or is this normal with out cats.Last edited by skar; 05-03-2006 at 04:23 PM.
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05-03-2006, 05:05 PM #2
- Join Date
- Dec 2002
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- n/w chicago
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- 54
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- 6,932
black- 2000 nhra edition formula
i have never noticed smoke.
i do smell the fumes from time to time though.
alot of smoke or alittle and what color is it?
its nothing you should worry about2000 nhra edition formula
a few bolt ons, 379 rwhp
11.96 @113.25
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05-03-2006, 07:20 PM #3
After i installed my LTs i did notice a little more "smoke" coming from the pipes but it is actually just raw exhaust. The converters burn up most of the raw exhaust t o keep the emission levels low coming out of the tailpipe. Also the new headers and pipes will have residue on them from the factory and will take a while to burn off.
99 Trans Am M6
SLP lid/FRA/TBB/Comp 224/224 581/581 112LSA
Comp 918s/Comp PRs/Hedman TorkStep LTs
Custom Y/Exhaust/Pro 5.0
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05-04-2006, 03:08 AM #4
- Join Date
- Jul 2005
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- commerce twp michigan
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- 65
- Posts
- 546
Only a small amount of smoke ? light gray I think. Car seems to run ok. 303hp to 336 on mustang dyno after install and tune.
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05-04-2006, 04:48 AM #5
- Join Date
- Dec 2002
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- n/w chicago
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- 54
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- 6,932
black- 2000 nhra edition formula
im betting its raw exhaust.
if you didnt see any before headers, thats what it is.
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